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Economical, commonly used worms that have broad utility. Ready-to-use finished products from the J Series are also available.
Unit of Measure

Specifications

Gear Type

N/A Worm Gears

Construction

N/A Carbon Steel Worms

Bore Type

N/A Plain

Number of Start

N/A 2

Nominal Lead Angle

N/A 6°34'

Hand of Thread

N/A Right Hand

Module

N/A 0.8

Shape

N/A W2

Precision Grade

N/A KHK W 001 grade 4

Reference Section of Gear

N/A Normal Plane

Gear Teeth Type

N/A Standard Full Depth

Pressure Angle

N/A 20 º

Material

N/A S45C (AISI 1045) Carbon Steel

Tooth Hardness

N/A (less than 194HB)

Surface Treatment

N/A Black oxide coated except for ground part

Weight

N/A 0.029 kg0.064 lb

Dimensions

Bore (L)

N/A 0.236 in6 mm

Pitch Diameter (N)

N/A 0.551 in14 mm

Outer Diameter (O)

N/A 0.614 in15.6 mm

Face Width (E)

N/A 0.709 in18 mm

Total Length (R)

N/A 1.181 in30 mm

Set Screw Size

N/A M4

Set Screw Offset (S)

N/A 0.197 in5 mm